DOUBLE CHECK VALVES

TM 9-2320-269-20-1

DOUBLE CHECK VALVES - CONTINUED

ACTION

LOCATION

ITEM

REMARKS

STANDARD DOUBLE CHECK VALVE REMOVAL

WARNING

Drain air from system before removing lines and fittings to avoid personnel injury from compressed air.

NOTE

Tag lines on removal to aid in installation (page 2-142).

1. Coupling (1)

Line (2)

Using 5/8-inch and 11/16-inch wrenches,

unscrew and take off.

2. Two elbows (3)

Two lines (4)

Using 5/8-inch and 11/16-inch wrenches,

unscrew and take off.

3.

Bracket (5)

Nut (6), screw (7),

Using 1/2-inch socket, extension, handle,

and valve (8)

and 1/2-inch wrench, unscrew and

take off.

NOTE

Tag locations of fittings before removal to aid in installation (page 2-142).

4. Valve (8)

Coupling (1)

Using 11/16-inch wrench, unscrew and

and two elbows (3)

take off.

TA228895

2-522